| MASTISEAL 1674705 · TMA1040891 | CROSS VETPHARM GROUP LIMITED | 5 Pharmaceuticals | Registered | 2019 |
| MISTICO 1730044 · TMA1060232 | Owner not shown | 33 Wine | Registered | 2019 |
| MAESTOSO 1716450 · TMA943882 | an individual | 5 Pharmaceuticals30 Coffee31 Fresh | Registered | 2016 |
| Maestoso 1430604 · TMA787614 | Enotecca Winery & Resorts Inc. | 33 Wine35 Advertising40 Treatment+1 | Registered | 2011 |
| MASTIC 0525360 · TMA360320 | Mastic Home Exteriors, Inc. | 19 Building | Registered | 1989 |
| MASTOX 2363035 | an individual | 11 Lighting | Pending | 2024 |
| Mactso 2326331 | an individual | 18 Leather | Pending | 2024 |
| MISTICAL 2098425 | Niagara Falls Craft Distillers Ltd. | 32 Beer33 Wine35 Advertising+1 | Pending | 2021 |
| Mysticsnow 2342133 | an individual | 25 Clothing | Pending | 2024 |
| MASTIGRAM+ 2180782 · TMA1212520 | Zoetis Services LLC | 5 Pharmaceuticals10 Medical | Registered | 2023 |
| MYSTICONS 1856531 · TMA1019262 | NELVANA LIMITED | 9 Electronics16 Paper25 Clothing+2 | Registered | 2019 |
| MOUSTIKOR 1170008 · TMA615330 | Les Laboratoires Suisse Inc. | 5 Pharmaceuticals | Registered | 2004 |
| MISTIX 2262057 · TMA1284714 · design | an individual | 10 Medical20 Furniture28 Toys | Registered | 2025 |
| Mestica 2210615 · TMA1244146 | GUANGZHOU YUETENG E-COMMERCE CO. LTD. | 11 Lighting | Registered | 2024 |
| MASTECH 2025313 · TMA1158916 · design | MGL Global Solutions Limited | 9 Electronics | Registered | 2023 |
| MAGTUSK 2008810 · TMA1150221 · design | an individual | 6 Metal22 Ropes | Registered | 2022 |
| MISTICAT 1999408 · TMA1131044 · design | DJECO | 28 Toys | Registered | 2022 |
| MustGrow 1983506 · TMA1270536 | MustGrow Biologics Corp. | 1 Chemicals4 Oils5 Pharmaceuticals+3 | Registered | 2024 |
| MYSTIQUE 1932479 · TMA1137728 · design | 9116-2461 Québec Inc. | 32 Beer33 Wine | Registered | 2022 |
| MASATS 1931246 · TMA1123910 · design | an individual | 6 Metal | Registered | 2022 |
| MYSTIQUE 1913245 · TMA1108451 | Drylock Technologies N.V. naamloze vennootschap (abbreviation N.V.), a Belgian public limited company | 5 Pharmaceuticals | Registered | 2021 |
| MASATS 1830796 · TMA1077588 · design | an individual | 7 Machines9 Electronics12 Vehicles | Registered | 2020 |
| MaxTight 1808970 · TMA1053434 | SPI LLC | 17 Rubber | Registered | 2019 |
| MYSTIQUE 1796375 · TMA983855 | an individual | 30 Coffee | Registered | 2017 |
| MYSTIC 1785281 · TMA1115219 · design | an individual | 12 Vehicles22 Ropes28 Toys | Registered | 2021 |